人教版高二英语选修8+Unit2+Cloning+Reading+Where+is+it+leadi

Unit2cloningReadingTheimportanteventsinanimalcloninghistoryIn1952tadpole(蝌蚪）wascloned.ItisthefirstanimaltobeclonedIn1963,anAsiancarp(鲤鱼）wascloned.Tenyearslater,aChinesescientistnamedTongdizhouclonedaEuropeancarp.1978年7月25日,世界上第一个试管婴儿路易丝·布朗在英国出生路易丝·布朗现已33岁In1996,asheepcalledDolleywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.Amacaque（猕猴）wasclonedin2000.Laterscientistsclonedmanymonkeys.2000年·人类近亲被克隆美国俄勒冈的研究者用与克隆多利羊截然不同的方法克隆出猴子TetraMules(骡子）havenoabilitytogivebirthtoababy.Amulewasclonedin2003.Itisthefirstanimalwhichlackfecundity(生育能力）tobecloned.2001年·克隆人被提上日程Cloning:Whereisitleadingus?CloningUnit2Reading:Whatdoyouwanttoknowaboutcloning?•1.•2.•3.•……Skimming（略读）:matchthemainideawitheachparagraph（段落大意连连看）A.Twomajorusesandtheprocedureofcloning.B.Cloningisawayofmakinganexactcopyofanotheranimalorplant.C.TheeffectofDollythesheep.D.Itisforbiddentoclonehumanbeings.E.Theproblemofdollythesheep.Para.1Para.2Para.3Para.4Para.5_______________(meaning)_________________________Scanthetexttofindouttheanswerstothefollowingquestions.Scanning1.Dollythesheep______.A.lookedexactlylikethesheepthatprovidestheeggB.wastheexactcopyofthesheepthatprovidesthenucleusC.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheepChoosethebestanswer.2.Thesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.133.Whichofthefollowingisnotanadvantageofcloning?A.Cloningcanbeusedformedicinepurposes.B.Largequantitiesofplantscanbeproducedbycloning.C.Cloningcanhelpkeepanimalsfrombecomingextinct.D.Famouspersonswhohavepassedawaycanbecloned.4.Themainideaofthetext:A.Animalcloningisveryvaluableandcanbenefittheworld.B.Animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.AnimalcloningiswelldevelopedbecauseDollythesheepwasborn.D.Animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.•5.Theword“controversial”inpara4probablymeans____________.•A.complicatedB.arguable•C.importantD.necessaryTrueorfalse:1.Cloningmeansmakingacopyofananimaloraplant.()2.Gardenerscanmakealotofmoneybycloningplants.()3.Cloningissomethingthathasbeendevelopedquiterecently.()4.Dollythesheepwasthefirstsuccessfulcloneofamammal.()5.ThecloningofDollythesheepsucceedbecausethescientistsweredeterminedandworkhardwithpatience.()FTFTTDebate:Areyoufororagainstcloninghumanbeings(谁说谁有理）Importantsentences:1.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.2.Butatlastthedeterminationandpatienceofscientistspaidoffin1996withabreakthrough.3.CloningscientistswerecastdowntofindthatDolly’illnessesweremoreappropriatetoamucholderanimal.4.Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.5.Itsuddenlyopenedeverybody’seyestothepossibilityofusingcloningtocureseriousillnessesandeventoproducehumanbeings.6.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain.7.However,scientistsstillwonderwhethercloningwillhelpusorharmusandwhereitisleadingus.完成句子1.Thenaughtyboy______________________________(被禁止离开教室）asapunishment.(forbid)2.He_____________________________(非常沮丧）bythefailureoftheexperiment.(cast)3.Thetask_____________________________(很难承担）.(undertake)•Drugs__________________________________(对青少年有很大影响）.(impact)wasforbiddentoleavetheclassroomwascastdownisdifficulttoundertakehaveagreatimpactonteenagers短语：1.尝试做…2.得到好结果3.适合于…4.引起一阵强烈的反对5.使…看清了6.欠、把…归功于…7.赞成8.反对attempttodosth.payoffbeappropriateto/forsth.raiseastromofobjectionsopenone’seyestosth.owe…to…infavorofobjecttosth.Whichgroupisthewinner?